The SFS-19-N3 from ERAVANT is a Waveguide Mixer with RF Frequency 40 to 60 GHz, LO Frequency 20 to 30 GHz, IF Frequency DC to 5 GHz, Conversion Loss 14 dB, LO Drive Level 15 dBm. Tags: Sub-Harmonic Mixer. More details for SFS-19-N3 can be seen below.